bootconfig.c

绝对可以转的vxworksbspfors3c44b0x。 8mhz晶振。

        if (ix == PC_CONSOLE)           /* init the console device */
            {
            strcpy (consoleName, tyName);
            consoleFd = open (consoleName, O_RDWR, 0);
            (void) ioctl (consoleFd, FIOBAUDRATE, CONSOLE_BAUD_RATE);
            (void) ioctl (consoleFd, FIOSETOPTIONS,
			OPT_ECHO | OPT_CRMOD | OPT_TANDEM | OPT_7_BIT);
            }
        }
#endif  /* INCLUDE_PC_CONSOLE */

#endif  /* !INCLUDE_TYCODRV_5_2 */

#ifdef INCLUDE_WDB
    wdbConfig();		/* configure and initialize the WDB agent */
    vxBootFile[0] = NULL;	/* clear boot line set by wdbConfig() */

#if defined(INCLUDE_TSFS_BOOT) && defined(INCLUDE_TSFS_BOOT_VIO_CONSOLE)
    consoleFd = open ("/vio/0", O_RDWR, 0);	/* for Target Server Console */
#endif
#endif	/* INCLUDE_WDB */

    ioGlobalStdSet (STD_IN,  consoleFd);
    ioGlobalStdSet (STD_OUT, consoleFd);
    ioGlobalStdSet (STD_ERR, consoleFd);

    pipeDrv ();					/* install pipe driver */

#if     defined(INCLUDE_EXC_HANDLING) && defined(INCLUDE_EXC_TASK)
#ifdef  INCLUDE_EXC_SHOW
    excShowInit ();			/* init exception show routines */
#endif
    excInit ();				/* initialize exception handling */
#endif  /* defined(INCLUDE_EXC_HANDLING) && defined(INCLUDE_EXC_TASK) */

    excHookAdd ((FUNCPTR) bootExcHandler);	/* install exc handler */
    logInit (consoleFd, 5);			/* initialize logging */

#ifdef	INCLUDE_DOSFS
    hashLibInit ();				/* hashLib used by dosFS */
#endif

    /* initialize object module loader */

#if	defined(INCLUDE_AOUT)
    bootAoutInit ();				/* use a.out format */
#else	/* coff or ecoff */
#if	defined(INCLUDE_ECOFF)
    bootEcoffInit ();				/* use ecoff format */
#else	/* coff */
#if	defined(INCLUDE_COFF)
    bootCoffInit ();				/* use coff format */
#else   /* coff */
#if	defined(INCLUDE_ELF)
    bootElfInit ();				/* use elf format */
#endif
#endif 						/* mips cpp no elif */
#endif
#endif

#ifdef  INCLUDE_PCMCIA                                       
                                                             
    pcmciaInit ();                      /* init PCMCIA Lib */

#endif /* INCLUDE_PCMCIA */

#ifdef INCLUDE_END
    /* initialize the MUX */

    muxMaxBinds = MUX_MAX_BINDS;
    if (muxLibInit() == ERROR)
	return;                              /* can't return ERROR */

    /* Initialize all the available devices. */
    for (count = 0, pDevTbl = endDevTbl; pDevTbl->endLoadFunc != END_TBL_END;
         pDevTbl++, count++)
        {
        cookieTbl[count].pCookie = muxDevLoad (pDevTbl->unit, pDevTbl->endLoadFunc,
                                       pDevTbl->endLoadString,
                                       pDevTbl->endLoan, pDevTbl->pBSP);
        if (cookieTbl[count].pCookie == NULL)
            {
            printf ("muxLoad failed!\n");
            }

        cookieTbl[count].unitNo=pDevTbl->unit;
	bzero((void *)cookieTbl[count].devName,END_NAME_MAX);
	pDevTbl->endLoadFunc((char*)cookieTbl[count].devName, NULL);

        }
#endif /* INCLUDE_END */
    
    taskSpawn ("tBoot", bootCmdTaskPriority, bootCmdTaskOptions,
		bootCmdTaskStackSize, (FUNCPTR) bootCmdLoop,
		0,0,0,0,0,0,0,0,0,0);

    }
/*******************************************************************************
*
* usrClock - user defined system clock interrupt routine
*
* This routine is called at interrupt level on each clock interrupt.  It is
* installed a call to sysClkConnect().  It calls any other facilities that
* need to know about clock ticks, including the kernel itself.
*
* If the application needs anything to happen at clock interrupt level,
* it should be added to this routine.
*
* NOMANUAL
*/

void usrClock (void)

    {
    tickAnnounce ();	/* announce system tick to kernel */
    }
/*******************************************************************************
*
* bootCmdLoop - read and execute user commands forever (until boot)
*/

LOCAL void bootCmdLoop (void)

    {
    BOOT_PARAMS params;
    char line [BOOT_CMD_MAX_LINE];
    char *pLine;
    int nwords;
    int nbytes;
    int value;
    int adr;
    int adr2;
    FUNCPTR entry;
    char key = 0;

    /* flush standard input to get rid of any garbage;
     * E.g. the Heurikon HKV2F gets junk in USART if no terminal connected.
     */

    (void) ioctl (STD_IN, FIOFLUSH, 0 /*XXX*/);

    if (sysStartType & BOOT_CLEAR)
	printBootLogo ();

    usrBootLineInit (sysStartType);


    /* print out any new exception message -
     * the first byte is zeroed after printing so that we won't print
     * it again automatically.  However, 'e' command will still print out
     * the remainder. */

    printExcMsg (sysExcMsg);
    *sysExcMsg = EOS;		/* indicate exception message is old */



    /* start autoboot, unless no-autoboot specified */

    bootStringToStruct (BOOT_LINE_ADRS, &params);
    sysFlags = params.flags;

#if defined(INCLUDE_TSFS_BOOT) && defined(INCLUDE_TSFS_BOOT_VIO_CONSOLE)

    /* Wait for Target Server connection */

    while (!wdbTargetIsConnected())
    	taskDelay (sysClkRateGet());

    /*
     * disable the auto-boot mechanism, because the Target Server may not have
     * time to start its VIO Console before the end of the auto-boot coutdown.
     */

    sysStartType |= BOOT_NO_AUTOBOOT;
#endif

    if (!(sysStartType & BOOT_NO_AUTOBOOT) &&
	!(sysFlags & SYSFLG_NO_AUTOBOOT))
	{
	int timeout = TIMEOUT;

	if ((sysStartType & BOOT_QUICK_AUTOBOOT) ||
	    (sysFlags & SYSFLG_QUICK_AUTOBOOT))
	    {
	    timeout = 1;
	    }

	key = autoboot (timeout);	/* doesn't return if successful */
	}


    /* If we're here, either we aren't auto-booting, or we got an error
     * auto-booting, or the auto-booting was stopped. */

    /* put console in line mode */

    (void) ioctl (consoleFd, FIOSETOPTIONS, OPT_TERMINAL);

    /* read and execute the ROM commands */

    printf ("\n");

    FOREVER
	{
	if (key == '@')
	    {
	    line [0] = key;
	    line [1] = EOS;
	    key = 0;
	    }
	else
	    {
	    printf ("[VxWorks Boot]: ");
	    fioRdString (STD_IN, line, sizeof (line));
	    }

	adr = adr2 = 0;
	nwords = 0;

	/* take blanks off end of line */

	pLine = line + strlen (line) - 1;		/* point at last char */
	while ((pLine >= line) && (*pLine == ' '))
	    {
	    *pLine = EOS;
	    pLine--;
	    }

	pLine = line;
	skipSpace (&pLine);

	switch (*(pLine++))
	    {
	    case EOS:		/* blank line */
		break;

	    case 'd':		/* display */
		if ((getArg (&pLine, &adr, HEX, OPT) == OK) &&
		    (getArg (&pLine, &nwords, DEC, OPT) == OK))
		    d ((char *) adr, nwords);
		break;

	    case 'e':		/* exception */
		printExcMsg (sysExcMsg + 1);
		break;

	    case 'f':		/* fill */
		if ((getArg (&pLine, &adr, HEX, !OPT) == OK) &&
		    (getArg (&pLine, &nbytes, DEC, !OPT) == OK) &&
		    (getArg (&pLine, &value, DEC, !OPT) == OK))
		    {
		    bfillBytes ((char *) adr, nbytes, value);
		    }

		break;

	    case 't':		/* transpose(?) (running out of letters!) */
		if ((getArg (&pLine, &adr, HEX, !OPT) == OK) &&
		    (getArg (&pLine, &adr2, HEX, !OPT) == OK) &&
		    (getArg (&pLine, &nbytes, HEX, !OPT) == OK))
		    {
		    bcopy ((char *) adr, (char *) adr2, nbytes);
		    }
		break;

	    case 'm':		/* modify */
		if (getArg (&pLine, &adr, HEX, !OPT) == OK)
		    m ((char *) adr);
		break;

#ifdef	TARGET_HK_V2F
	    case 's':		/* system controller */
		{
		extern ULONG sysBCLSet ();

		if (getArg (&pLine, &value, DEC, !OPT) == OK)
		    {
		    if (value != 0)
			{
			(void) sysBCLSet ((ULONG)HK_BCL_SYS_CONTROLLER,
					  (ULONG)HK_BCL_SYS_CONTROLLER);
			printf ("System controller on.\n");
			}
		    else
			{
			(void) sysBCLSet ((ULONG)HK_BCL_SYS_CONTROLLER,
					  (ULONG)0);
			printf ("System controller off.\n");
			}
		    }
		break;
		}
#endif	/* TARGET_HK_V2F */

#if defined(TARGET_FRC_30) || defined(TARGET_FRC_31) || defined(TARGET_FRC_33)
	    case 's':		/* system controller */
		if (getArg (&pLine, &value, DEC, !OPT) == OK)
		    {
		    if (value != 0)
			{
			*FGA_CTL1 |= FGA_CTL1_SCON;
			printf ("System controller on.\n");
			}
		    else
			{
			*FGA_CTL1 &= ~FGA_CTL1_SCON;
			printf ("System controller off.\n");
			}
		    }
		break;
#endif	/* TARGET_FRC_30 || TARGET_FRC_31 || TARGET_FRC_33 */

	    case 'p':		/* print boot params */
		bootParamsShow (BOOT_LINE_ADRS);
		break;

	    case 'c':		/* change boot params */
		bootParamsPrompt (BOOT_LINE_ADRS);
                if (strlen(BOOT_LINE_ADRS) <= BOOT_LINE_SIZE)
                    {
                    if ((sysNvRamSet (BOOT_LINE_ADRS,
                        strlen (BOOT_LINE_ADRS) + 1, 0)) == ERROR)
                        printf("\nNOTE: Bootline not saved to NVRAM\n");
                    }
                else
                    printf("\nWARNING:Bootline longer than BOOT_LINE_SIZE \
(%d bytes). Not saved to NVRAM\n", (int) BOOT_LINE_SIZE);
                break;

	    case 'g':		/* go */
		if (getArg (&pLine, (int *) &entry, HEX, !OPT) == OK)
		    go (entry);
		break;

#ifdef  INCLUDE_NETWORK
	    case 'n':
		netifAdrsPrint (pLine);
		break;

#ifdef ETHERNET_ADR_SET
	    case 'N':
		mEnet (pLine);
		break;
#endif  /* ETHERNET_ADR_SET */
#endif  /* INCLUDE_NETWORK */

	    case '?':			/* help */
            case 'h':			/* help */
		bootHelp ();
		break;

            case '@':			/* load and go with internal params */
	    case '$':			/* load and go with internal params */

		if (bootLoad (pLine, &entry) == OK)
		    {
		    go (entry);
		    }
		else
		    {
		    taskDelay (sysClkRateGet ());	/* pause a second */
		    reboot (BOOT_NO_AUTOBOOT);		/* something is awry */
		    }
		break;

	    case 'l':			/* load with internal params */

		if (bootLoad (pLine, &entry) == OK)
		    {
		    printf ("entry = 0x%x\n", (int) entry);
		    }
		else
		    {
		    taskDelay (sysClkRateGet ());	/* pause a second */
		    reboot (BOOT_NO_AUTOBOOT);		/* something is awry */
		    }
		break;

            case 'v':                   /* print version & logo */

                printBootLogo ();
                break;

	    default:
		printf ("Unrecognized command. Type '?' for help.\n");
		break;

            } /* switch */
        } /* FOREVER */
    }
/******************************************************************************
*
* autoboot - do automatic boot sequence
*
* RETURNS: Doesn't return if successful (starts execution of booted system).
*/

LOCAL char autoboot 
    (
    int timeout		/* timeout time in seconds */
    )
    {
    ULONG	autoBootTime;
    int		timeLeft;
    UINT	timeMarker;
    int		bytesRead = 0;
    FUNCPTR	entry;
    char	key;

    if (timeout > 0)